Have you tried the live chat on there website www.plus.net/contact
The live chat team are based at the call centre so should be able to give you an update on this alternatively one of the Plusnet forum staff will look into this and respond to you on here soon.
Hi @wrightewan, Welcome to the community forums.
Sorry to see the delay in your service activating. I understand the account has been updated today and you should now be online.
Thanks for your patience.